I have 3 "banks" in my yard that is outside my fence. These banks are about 180' long each and are about 8' from top to bottom. I'm getting sick of mowing the banks and I thought that I could kill two birds with one stone by planting clover as a ground cover and feed the deer. Here's the question, one of the slopes are under chestnut trees, I'm wondering how deep I would have to cultivate because I don't want to damage the roots of the trees because they are actually my neibors and the deer love to eat the chestnuts that fall.